C2221333133313331311233132313331333133313131133131122112322123121
>>
C222133313331333131123313231333133313331313113313112211232212312
<<
C2221333133313331311233132313331333133313131133131122112322123123
>>
C2221333133313331311233132313331333133313131133131122112322123122
>>