求寻找水卡金额校验规律

打人机

0 区块: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

1 区块: 14 00 00 00 14 14 C2 07 54 31 00 10 00 00 00 00
2 区块: 14 00 00 00 14 14 C2 07 54 31 00 10 00 00 00 00
3 区块: 36 37 39 3D 45 55 FF 07 80 69 43 46 A0 53 46 4A
金额在1,2区块，前俩位倒过来就是金额，这个金额是0.14，第5前俩位的字节和，第6位是前俩位的字节异或
求第7,8位的校验规律
下面是其他数据
0 区块: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1 区块: 83 04 00 00 87 87 E7 13 54 31 00 10 00 00 00 00
2 区块: 83 04 00 00 87 87 E7 13 54 31 00 10 00 00 00 00
3 区块: 36 37 39 3D 45 55 FF 07 80 69 43 46 A0 53 46 4A
金额4.83
0 区块: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1 区块: 25 04 00 00 29 21 B8 13 54 31 00 10 00 00 00 00
2 区块: 25 04 00 00 29 21 B8 13 54 31 00 10 00 00 00 00
3 区块: 36 37 39 3D 45 55 FF 07 80 69 43 46 A0 53 46 4A
金额4.25
0 区块: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1 区块: 89 00 00 00 89 89 24 14 54 31 00 10 00 00 00 00
2 区块: 89 00 00 00 89 89 24 14 54 31 00 10 00 00 00 00
3 区块: 36 37 39 3D 45 55 FF 07 80 69 43 46 A0 53 46 4A
金额0.89
0 区块: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1 区块: 97 00 00 00 97 97 F7 14 54 31 00 10 00 00 00 00
2 区块: 97 00 00 00 97 97 F7 14 54 31 00 10 00 00 00 00
3 区块: 36 37 39 3D 45 55 FF 07 80 69 43 46 A0 53 46 4A
金额0.97