B331133131323131133132233133313231333112113121111121111331333132212112121
>>
B33113313132313113313223313331323133311211312111112111133133313221211212
<<
B331133131323131133132233133313231333112113121111121111331333132212112123
>>
B331133131323131133132233133313231333112113121111121111331333132212112122
>>