B331133131323131133132233133313231333132233132313331331121111331333132332211311
>>
B33113313132313113313223313331323133313223313231333133112111133133313233221131
<<
B331133131323131133132233133313231333132233132313331331121111331333132332211313
>>
B331133131323131133132233133313231333132233132313331331121111331333132332211312
>>