assembly {
        // Prepare the contract creation code for the clone
        mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
        mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
        instance := create2(0, 0x09, 0x37, salt)
    }
    // Revert if the clone operation failed
    if (instance == address(0))
        revert CloneOpCancelled("Creation Failed");
    
    // Call the initialization function of the newly cloned contract
    (bool success, ) = instance.call(initData);

        let pointer := mload(0x40)
    
        // mstore 32 bytes at the start of free memory 
        mstore(pointer, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)

        // overwrite the trailing 0s above with implementation contract's address in bytes
        mstore(add(pointer, 0x14), implementation)
        
        // store 32 bytes to memory starting at "clone" + 40 bytes
        mstore(add(pointer, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
  
        instance := create2(0, pointer, 0x37, salt)