B331133131323131133132233133313231323133313331331121111123231333133313233221231
>>
B33113313132313113313223313331323132313331333133112111112323133313331323322123
<<
B331133131323131133132233133313231323133313331331121111123231333133313233221233
>>
B331133131323131133132233133313231323133313331331121111123231333133313233221232
>>