|1111| = |1000|
|1222| |1111|
|1233| |1122|
|1234| |1123|

|111111|
|100000|
|101111|
|101000|
|101011|
|101010|
=
|11|×|1111| ± |**|×|0***| ± |11|× |****|
|10| |1000| |**| |0***| |00| |****|
|1011| |0***| |****|
|1010| |0***| |****|