diff --git a/Cargo.lock b/Cargo.lock
index 580d323fc2..d4746e56aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -515,6 +515,7 @@ dependencies = [
  "rand_chacha",
  "rand_xorshift",
  "serde",
+ "serde_json",
  "snark-verifier",
  "snark-verifier-sdk",
  "zkevm-circuits",
diff --git a/circuit-benchmarks/Cargo.toml b/circuit-benchmarks/Cargo.toml
index 3591e399b1..5f69870985 100644
--- a/circuit-benchmarks/Cargo.toml
+++ b/circuit-benchmarks/Cargo.toml
@@ -24,6 +24,7 @@ ethers-signers = "=2.0.0"
 mock = { path = "../mock" }
 rand_chacha = "0.3"
 serde = { version = "1.0.136", features = ["derive"] }
+serde_json = "*"
 hex = "0.4.3"
 
 [features]
diff --git a/circuit-benchmarks/src/super_circuit.rs b/circuit-benchmarks/src/super_circuit.rs
index 910b155e4e..0d4ba0ab29 100644
--- a/circuit-benchmarks/src/super_circuit.rs
+++ b/circuit-benchmarks/src/super_circuit.rs
@@ -1,6 +1,8 @@
 //! SuperCircuit circuit benchmarks
 
+use eth_types::{Bytes, U256};
 use halo2_proofs::poly::commitment::Params;
+use serde::{Deserialize, Serialize};
 use std::{fs, rc::Rc};
 use zkevm_circuits::{
     root_circuit::{
@@ -14,16 +16,18 @@ use bus_mapping::circuit_input_builder::CircuitsParams;
 
 use rand::SeedableRng;
 
+use ark_std::{end_timer, start_timer};
 use halo2_proofs::{
-    halo2curves::bn256::{Bn256, Fq, Fr, G1Affine},
+    halo2curves::{
+        bn256::{Bn256, Fq, Fr, G1Affine},
+        ff::PrimeField,
+    },
     plonk::{keygen_pk, keygen_vk, ProvingKey, VerifyingKey},
     poly::{
         commitment::ParamsProver,
         kzg::commitment::{KZGCommitmentScheme, ParamsKZG},
     },
 };
-
-use ark_std::{end_timer, start_timer};
 use std::path::Path;
 
 use snark_verifier_sdk::{
@@ -57,6 +61,12 @@ pub type PlonkVerifierSHPLONK =
 
 use rand::rngs::StdRng;
 
+#[derive(Serialize, Deserialize, Debug)]
+struct BlockProofData {
+    instances: Vec<U256>,
+    proof: Bytes,
+}
+
 /// Fixed rng for testing purposes
 pub fn fixed_rng() -> StdRng {
     StdRng::seed_from_u64(9)
@@ -255,6 +265,21 @@ fn create_root_super_circuit_prover_sdk<const T: u64, AS: AccumulationSchemeSDK>
         }
     };
 
+    let block_proof_data = BlockProofData {
+        instances: instances
+            .iter()
+            .flatten()
+            .map(|v| U256::from_little_endian(v.to_repr().as_ref()))
+            .collect(),
+        proof: proof_calldata.clone().into(),
+    };
+
+    fs::write(
+        Path::new("./proof.json"),
+        serde_json::to_vec(&block_proof_data).unwrap(),
+    )
+    .unwrap();
+
     let deployment_code = gen_verifier(
         &params,
         &vk,
@@ -314,6 +339,21 @@ fn create_1_level_root_super_circuit_prover_sdk<const T: u64, AS: AccumulationSc
         }
     };
 
+    let block_proof_data = BlockProofData {
+        instances: instances
+            .iter()
+            .flatten()
+            .map(|v| U256::from_little_endian(v.to_repr().as_ref()))
+            .collect(),
+        proof: proof_calldata.clone().into(),
+    };
+
+    fs::write(
+        Path::new("./proof.json"),
+        serde_json::to_vec(&block_proof_data).unwrap(),
+    )
+    .unwrap();
+
     let deployment_code = gen_verifier(
         &params,
         &vk,
diff --git a/zkevm-circuits/src/anchor_tx_circuit.rs b/zkevm-circuits/src/anchor_tx_circuit.rs
index f80353cde9..c8b96e578c 100644
--- a/zkevm-circuits/src/anchor_tx_circuit.rs
+++ b/zkevm-circuits/src/anchor_tx_circuit.rs
@@ -44,8 +44,8 @@ const BYTE_POW_BASE: u64 = 1 << 8;
 //     uint64 parentGasUsed
 // )
 // anchor(bytes32,bytes32,uint64,uint64) =
-// method_signature(4B)+l1Hash(32B)+l1SignalRoot(32B)+l1Height(8B)+parentGasUsed(8B)
-const ANCHOR_CALL_DATA_LEN: usize = 84;
+// method_signature(4B)+l1Hash(32B)+l1SignalRoot(32B)+l1Height(32B)+parentGasUsed(32B)
+const ANCHOR_CALL_DATA_LEN: usize = 132;
 
 struct CallData {
     start: usize,
@@ -284,12 +284,12 @@ impl<F: Field> AnchorTxCircuitConfig<F> {
             ),
             (
                 "l1_height",
-                &anchor_tx.call_data[68..76],
+                &anchor_tx.call_data[68..100],
                 PiFieldTag::L1Height,
             ),
             (
                 "parent_gas_used",
-                &anchor_tx.call_data[76..84],
+                &anchor_tx.call_data[100..132],
                 PiFieldTag::ParentGasUsed,
             ),
         ] {
diff --git a/zkevm-circuits/src/anchor_tx_circuit/test.rs b/zkevm-circuits/src/anchor_tx_circuit/test.rs
index 50367eb676..a57bc8c2c0 100644
--- a/zkevm-circuits/src/anchor_tx_circuit/test.rs
+++ b/zkevm-circuits/src/anchor_tx_circuit/test.rs
@@ -240,7 +240,7 @@ fn anchor_test() {
         anchor_gas_cost: 150000,
         ..Default::default()
     };
-    let block = gen_block::<1>(2, 100, protocol_instance, sign_tx);
+    let block = gen_block::<1>(2, 200, protocol_instance, sign_tx);
     assert_eq!(run::<Fr>(&block, None), Ok(()));
 }
 
@@ -252,6 +252,6 @@ fn anchor_test_when_sign_r_is_gx2() {
     };
     let msg_hash = *N - *GX1_MUL_PRIVATEKEY;
     let msg_hash = H256::from(msg_hash.to_le_bytes());
-    let block = gen_block::<1>(2, 100, protocol_instance, sign_tx_r_is_gx2);
+    let block = gen_block::<1>(2, 200, protocol_instance, sign_tx_r_is_gx2);
     assert_eq!(run::<Fr>(&block, Some(msg_hash)), Ok(()));
 }
diff --git a/zkevm-circuits/src/witness/protocol_instance.rs b/zkevm-circuits/src/witness/protocol_instance.rs
index 0e3d5555bc..734efc148b 100644
--- a/zkevm-circuits/src/witness/protocol_instance.rs
+++ b/zkevm-circuits/src/witness/protocol_instance.rs
@@ -125,8 +125,8 @@ impl ProtocolInstance {
         result.extend_from_slice(&ANCHOR_TX_METHOD_SIGNATURE.to_be_bytes());
         result.extend_from_slice(&self.meta_hash.l1_hash.to_fixed_bytes());
         result.extend_from_slice(&self.signal_root.to_fixed_bytes());
-        result.extend_from_slice(&self.meta_hash.l1_height.to_be_bytes());
-        result.extend_from_slice(&(self.parent_gas_used as u64).to_be_bytes());
+        result.extend_from_slice(&self.meta_hash.l1_height.to_word().to_be_bytes());
+        result.extend_from_slice(&(self.parent_gas_used as u64).to_word().to_be_bytes());
         result.into()
     }
 
@@ -160,3 +160,35 @@ impl ProtocolInstance {
         ]
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use std::str::FromStr;
+
+    use super::*;
+    #[test]
+    fn test_left_shift() {
+        let _field0 = left_shift(1u64, 192) + left_shift(1688574587u64, 128) + left_shift(9u64, 64);
+
+        let _field5 = left_shift(0u32 as u64, 232)
+            + left_shift(124u32 as u64, 208)
+            + left_shift(21000u32 as u64, 176)
+            + left_shift(
+                Address::from_str("0000777700000000000000000000000000000001").unwrap(),
+                16,
+            );
+        let _field6 = left_shift(
+            Address::from_str("df09A0afD09a63fb04ab3573922437e1e637dE8b").unwrap(),
+            96,
+        );
+
+        let _field9 = left_shift(
+            Address::from_str("70997970C51812dc3A010C7d01b50e0d17dc79C8").unwrap(),
+            96,
+        ) + left_shift(0u64, 64)
+            + left_shift(141003u64, 32);
+
+        let _field10 =
+            left_shift(6000000u64, 192) + left_shift(79u64, 128) + left_shift(120000u64, 64);
+    }
+}