B331133131323131133132233133313231333132233132313331333131323133313112211223321
>>
B33113313132313113313223313331323133313223313231333133313132313331311221122332
<<
B331133131323131133132233133313231333132233132313331333131323133313112211223323
>>
B331133131323131133132233133313231333132233132313331333131323133313112211223322
>>