B331133131323131133132233133313113313231123313231333133313232233132313331121
>>
B33113313132313113313223313331311331323112331323133313331323223313231333112
<<
B331133131323131133132233133313113313231123313231333133313232233132313331123
>>
B331133131323131133132233133313113313231123313231333133313232233132313331122
>>