diff --git a/BlockchainTests/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json b/BlockchainTests/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json
new file mode 100644
index 00000000000..95625aaa82a
--- /dev/null
+++ b/BlockchainTests/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json
@@ -0,0 +1,89 @@
+{
+    "CREATE2_FirstByte_loop_d0g0v0_Berlin" : {
+        "_info" : {
+            "comment" : "",
+            "filling-rpc-server" : "evm version 1.10.4-unstable-41836706-20210512",
+            "filling-tool-version" : "retesteth-0.1.1-eip1559+commit.0b46e787.Linux.g++",
+            "lllcversion" : "Version: 0.5.14-develop.2021.4.29+commit.14c9d5de.Linux.clang",
+            "source" : "src/GeneralStateTestsFiller/stCreate2/CREATE2_FirstByte_loopFiller.yml",
+            "sourceHash" : "4b5879a640c75df014837a6e81652db6e97a2ddcb8c3705bca9f6ac37192134c"
+        },
+        "genesisBlockHeader" : {
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x05500000",
+            "gasUsed" : "0x00",
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+            "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "nonce" : "0x0000000000000000",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x925369db6c4805b873e98b40a4ad7010523ab83fd8148be9df8b81ddc55c5c58",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
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+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "0x00",
+                    "gasLimit" : "0x05500000",
+                    "gasUsed" : "0x7ee58e",
+                    "hash" : "0x7272d6d0d4955c1435bf1f8914f0a91690d77f3d8f1d56ffba413d45b0209561",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc7c9604591048ef2052b0eca348ffbb4c7e804ba4a267edcba2d530c94e5ac27",
+                    "receiptTrie" : "0xdebbb554be52f04bd8775a6c03bad7d5367e735ec036867372b6f7962cbd8aa6",
+                    "stateRoot" : "0x39950ea63e6dde74a6edf60b7ce5fe2149b045dcad5bb43d74675ec0c1b335cc",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa5457b282024d452cd8895715ff55d357f15f083c79d4a3b460355e52ed65db5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "transactions" : [
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x042c1d80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "to" : "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "value" : "0x00",
+                        "v" : "0x1c",
+                        "r" : "0x74fba7cf2a9f8a14023b975e9b9d0ce77b01797bf97e9a5b79ea4eccb7a17c55",
+                        "s" : "0x3e0643c7fc67cdbac3d9ebc4c096417847d2fd972a9c70e0eecd455fac1e5696"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json b/BlockchainTests/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json
new file mode 100644
index 00000000000..63b62dbab79
--- /dev/null
+++ b/BlockchainTests/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json
@@ -0,0 +1,89 @@
+{
+    "CREATE_FirstByte_loop_d0g0v0_Berlin" : {
+        "_info" : {
+            "comment" : "",
+            "filling-rpc-server" : "evm version 1.10.4-unstable-41836706-20210512",
+            "filling-tool-version" : "retesteth-0.1.1-eip1559+commit.0b46e787.Linux.g++",
+            "lllcversion" : "Version: 0.5.14-develop.2021.4.29+commit.14c9d5de.Linux.clang",
+            "source" : "src/GeneralStateTestsFiller/stCreateTest/CREATE_FirstByte_loopFiller.yml",
+            "sourceHash" : "9a73819bcd16c356a1756523de2e28c81d7bb7cd1c4fbfda8c8a6014964fd363"
+        },
+        "genesisBlockHeader" : {
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x00",
+            "gasLimit" : "0x05500000",
+            "gasUsed" : "0x00",
+            "hash" : "0xf6908c5f28c05c1963e17866af008fe661aeecdd2043c65456c432981edc5ae8",
+            "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "nonce" : "0x0000000000000000",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4738ec87b9f3e49067d3af8a4c3f6514eb198e12cacef3d704c9cac8f540ebb4",
+            "timestamp" : "0x00",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x05f5e100",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x00",
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+                "nonce" : "0x00",
+                "storage" : {
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+            }
+        },
+        "postStateHash" : "0xc3be28c6254888194e33798d5f303ec18a342019220561bcd43ca32481fc6a05",
+        "network" : "Berlin",
+        "sealEngine" : "NoProof",
+        "lastblockhash" : "0xf95aa20b4a8c3437df00a5b5960c2720464e6f45bc25f7ca15e9029a003892c1",
+        "genesisRLP" : "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",
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+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "0x00",
+                    "gasLimit" : "0x05500000",
+                    "gasUsed" : "0x7edc8e",
+                    "hash" : "0xf95aa20b4a8c3437df00a5b5960c2720464e6f45bc25f7ca15e9029a003892c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "receiptTrie" : "0x84b5f99e4555e93b6510d8d06a0c54914983fe0caa57ac2f4941adaa1d4cdd1f",
+                    "stateRoot" : "0xc3be28c6254888194e33798d5f303ec18a342019220561bcd43ca32481fc6a05",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa5457b282024d452cd8895715ff55d357f15f083c79d4a3b460355e52ed65db5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "transactions" : [
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x042c1d80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "to" : "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+                        "value" : "0x00",
+                        "v" : "0x1c",
+                        "r" : "0x74fba7cf2a9f8a14023b975e9b9d0ce77b01797bf97e9a5b79ea4eccb7a17c55",
+                        "s" : "0x3e0643c7fc67cdbac3d9ebc4c096417847d2fd972a9c70e0eecd455fac1e5696"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json b/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json
new file mode 100644
index 00000000000..d7780107c10
--- /dev/null
+++ b/GeneralStateTests/stCreate2/CREATE2_FirstByte_loop.json
@@ -0,0 +1,65 @@
+{
+    "CREATE2_FirstByte_loop" : {
+        "_info" : {
+            "comment" : "",
+            "filling-rpc-server" : "evm version 1.10.4-unstable-41836706-20210512",
+            "filling-tool-version" : "retesteth-0.1.1-eip1559+commit.0b46e787.Linux.g++",
+            "lllcversion" : "Version: 0.5.14-develop.2021.4.29+commit.14c9d5de.Linux.clang",
+            "source" : "src/GeneralStateTestsFiller/stCreate2/CREATE2_FirstByte_loopFiller.yml",
+            "sourceHash" : "4b5879a640c75df014837a6e81652db6e97a2ddcb8c3705bca9f6ac37192134c"
+        },
+        "env" : {
+            "currentCoinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "0x020000",
+            "currentGasLimit" : "0x05500000",
+            "currentNumber" : "0x01",
+            "currentTimestamp" : "0x03e8",
+            "previousHash" : "0x5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "post" : {
+            "Berlin" : [
+                {
+                    "indexes" : {
+                        "data" : 0,
+                        "gas" : 0,
+                        "value" : 0
+                    },
+                    "hash" : "0x12115fcd20c04d54071de7cef3671eaed2acaa129f1bb15bda5e35fe08d46c66",
+                    "txbytes" : "0xf861800184042c1d8094b94f5374fce5edbc8e2a8697c15331677e6ebf0b80801ca074fba7cf2a9f8a14023b975e9b9d0ce77b01797bf97e9a5b79ea4eccb7a17c55a03e0643c7fc67cdbac3d9ebc4c096417847d2fd972a9c70e0eecd455fac1e5696",
+                    "logs" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                }
+            ]
+        },
+        "pre" : {
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x05f5e100",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x00",
+                "code" : "0x7f600060005360016000f30000000000000000000000000000000000000000000060005260005b610100811015605157806001536000600a60006000f51515604657600181555b5b6001810190506026565b50600161010055",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : [
+                "0x"
+            ],
+            "gasPrice" : "0x01",
+            "gasLimit" : [
+                "0x042c1d80"
+            ],
+            "nonce" : "0x00",
+            "secretKey" : "0x45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "value" : [
+                "0x00"
+            ]
+        }
+    }
+}
\ No newline at end of file
diff --git a/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json b/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json
new file mode 100644
index 00000000000..913b58040c2
--- /dev/null
+++ b/GeneralStateTests/stCreateTest/CREATE_FirstByte_loop.json
@@ -0,0 +1,65 @@
+{
+    "CREATE_FirstByte_loop" : {
+        "_info" : {
+            "comment" : "",
+            "filling-rpc-server" : "evm version 1.10.4-unstable-41836706-20210512",
+            "filling-tool-version" : "retesteth-0.1.1-eip1559+commit.0b46e787.Linux.g++",
+            "lllcversion" : "Version: 0.5.14-develop.2021.4.29+commit.14c9d5de.Linux.clang",
+            "source" : "src/GeneralStateTestsFiller/stCreateTest/CREATE_FirstByte_loopFiller.yml",
+            "sourceHash" : "9a73819bcd16c356a1756523de2e28c81d7bb7cd1c4fbfda8c8a6014964fd363"
+        },
+        "env" : {
+            "currentCoinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "0x020000",
+            "currentGasLimit" : "0x05500000",
+            "currentNumber" : "0x01",
+            "currentTimestamp" : "0x03e8",
+            "previousHash" : "0x5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "post" : {
+            "Berlin" : [
+                {
+                    "indexes" : {
+                        "data" : 0,
+                        "gas" : 0,
+                        "value" : 0
+                    },
+                    "hash" : "0x1aae2ec368819935a8454a67616432d687dbe3fcaedbcc150c5f055bb975fa8d",
+                    "txbytes" : "0xf861800184042c1d8094b94f5374fce5edbc8e2a8697c15331677e6ebf0b80801ca074fba7cf2a9f8a14023b975e9b9d0ce77b01797bf97e9a5b79ea4eccb7a17c55a03e0643c7fc67cdbac3d9ebc4c096417847d2fd972a9c70e0eecd455fac1e5696",
+                    "logs" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                }
+            ]
+        },
+        "pre" : {
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x05f5e100",
+                "code" : "0x",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x00",
+                "code" : "0x7f600060005360016000f30000000000000000000000000000000000000000000060005260005b610100811015604f5780600153600a60006000f01515604457600181555b5b6001810190506026565b50600161010055",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : [
+                "0x"
+            ],
+            "gasPrice" : "0x01",
+            "gasLimit" : [
+                "0x042c1d80"
+            ],
+            "nonce" : "0x00",
+            "secretKey" : "0x45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "0xb94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "value" : [
+                "0x00"
+            ]
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/GeneralStateTestsFiller/stCreate2/CREATE2_FirstByte_loopFiller.yml b/src/GeneralStateTestsFiller/stCreate2/CREATE2_FirstByte_loopFiller.yml
new file mode 100644
index 00000000000..907030121d2
--- /dev/null
+++ b/src/GeneralStateTestsFiller/stCreate2/CREATE2_FirstByte_loopFiller.yml
@@ -0,0 +1,74 @@
+# The test calls CREATE2 in a loop deploying 1-byte contracts with all possible byte values, records in storage the values that failed to deploy.
+CREATE2_FirstByte_loop:
+  env:
+    currentCoinbase: 2adc25665018aa1fe0e6bc666dac8fc2697ff9ba
+    currentDifficulty: '0x020000'
+    currentGasLimit: '89128960'
+    currentNumber: '1'
+    currentTimestamp: '1000'
+    previousHash: 5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6
+
+  pre:
+    a94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+      balance: 100000000
+      code: ''
+      nonce: 0
+      storage: {}
+    b94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+      balance: 0
+      code: |
+        :yul
+        {
+          // initcode: { mstore8(0, 0x00) return(0, 1) }
+          mstore(0, 0x600060005360016000f300000000000000000000000000000000000000000000)
+          for { let code := 0 } lt(code, 256) { code := add(code, 1) } 
+          { 
+            mstore8(1, code) // change returned byte in initcode
+            if iszero(create2(0, 0, 10, 0)) { sstore(code, 1) }
+          }
+          sstore(256, 1)
+        }
+      nonce: 0
+      storage: {}
+
+  transaction:
+    data: 
+      - ''
+    gasLimit:
+      - 70000000
+    gasPrice: 1
+    nonce: 0
+    secretKey: 45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8
+    to: 'b94f5374fce5edbc8e2a8697c15331677e6ebf0b'
+    value:
+    - 0
+
+  expect:
+    - indexes:
+       data: !!int -1
+       gas: !!int -1
+       value: !!int -1
+      network:
+        - 'Berlin'
+      result:
+       a94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+          nonce: 1
+       b94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+          nonce: 256
+          storage:
+            '256': 1
+       7243c189900bddbc8e39c9115f7030dbc86a2b15:
+          nonce: 1
+          code: '0x00'
+       884f09dec8b15b4988a71f0290f6c921be908026:
+          nonce: 1
+          code: '0x01'
+       e893e8a20a685f12abde1714eb00b59859d8bdef:
+          nonce: 1
+          code: '0xef'
+       6778c377c68b0930eddf71eebf31023ed756e40c:
+          nonce: 1
+          code: '0xfe'
+       205b487b17915053055fdc3974c81b03e6d4acdb:
+          nonce: 1
+          code: '0xff'
diff --git a/src/GeneralStateTestsFiller/stCreateTest/CREATE_FirstByte_loopFiller.yml b/src/GeneralStateTestsFiller/stCreateTest/CREATE_FirstByte_loopFiller.yml
new file mode 100644
index 00000000000..c008103ea25
--- /dev/null
+++ b/src/GeneralStateTestsFiller/stCreateTest/CREATE_FirstByte_loopFiller.yml
@@ -0,0 +1,74 @@
+# The test calls CREATE in a loop deploying 1-byte contracts with all possible byte values, records in storage the values that failed to deploy.
+CREATE_FirstByte_loop:
+  env:
+    currentCoinbase: 2adc25665018aa1fe0e6bc666dac8fc2697ff9ba
+    currentDifficulty: '0x020000'
+    currentGasLimit: '89128960'
+    currentNumber: '1'
+    currentTimestamp: '1000'
+    previousHash: 5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6
+
+  pre:
+    a94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+      balance: 100000000
+      code: ''
+      nonce: 0
+      storage: {}
+    b94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+      balance: 0
+      code: |
+        :yul
+        {
+          // initcode: { mstore8(0, 0x00) return(0, 1) }
+          mstore(0, 0x600060005360016000f300000000000000000000000000000000000000000000)
+          for { let code := 0 } lt(code, 256) { code := add(code, 1) } 
+          { 
+            mstore8(1, code) // change returned byte in initcode
+            if iszero(create(0, 0, 10)) { sstore(code, 1) }
+          }
+          sstore(256, 1)
+        }
+      nonce: 0
+      storage: {}
+
+  transaction:
+    data: 
+      - ''
+    gasLimit:
+      - 70000000
+    gasPrice: 1
+    nonce: 0
+    secretKey: 45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8
+    to: 'b94f5374fce5edbc8e2a8697c15331677e6ebf0b'
+    value:
+    - 0
+
+  expect:
+    - indexes:
+       data: !!int -1
+       gas: !!int -1
+       value: !!int -1
+      network:
+        - '>=Berlin'
+      result:
+       a94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+          nonce: 1
+       b94f5374fce5edbc8e2a8697c15331677e6ebf0b:
+          nonce: 256
+          storage:
+            '256': 1
+       f1ecf98489fa9ed60a664fc4998db699cfa39d40:
+          nonce: 1
+          code: '0x00'
+       30c7cc0d18123b445c2636ff9069ef28c0dc32b5:
+          nonce: 1
+          code: '0x01'
+       ca72dc06e1307b81956f583e0b084729c75c6b82:
+          nonce: 1
+          code: '0xef'
+       b1af9b5d3b3b500caa66933d49ec6d097383b14a:
+          nonce: 1
+          code: '0xfe'
+       710fb0947706d217c7e803f594ab62b321a01dd5:
+          nonce: 1
+          code: '0xff'