contract c { bytes8[9] data1; // 4 per slot bytes17[10] data2; // 1 per slot, no offset counter function test() public returns (bytes17 a, bytes17 b, bytes17 c, bytes17 d, bytes17 e) { for (uint256 i = 0; i < data1.length; ++i) data1[i] = bytes8(uint64(i)); data2[8] = data2[9] = bytes8(uint64(2)); data2 = data1; a = data2[1]; b = data2[2]; c = data2[3]; d = data2[4]; e = data2[9]; } } // ---- // test() -> 0x01000000000000000000000000000000000000000000000000, 0x02000000000000000000000000000000000000000000000000, 0x03000000000000000000000000000000000000000000000000, 0x04000000000000000000000000000000000000000000000000, 0x0