B331133131323131133132233133313113313231123313231333133313232321331
>>
B33113313132313113313223313331311331323112331323133313331323232133
<<
B331133131323131133132233133313113313231123313231333133313232321333
>>
B331133131323131133132233133313113313231123313231333133313232321332
>>