B331133131323131133132233133313231333132233132313331333133313332221311
>>
B33113313132313113313223313331323133313223313231333133313331333222131
<<
B331133131323131133132233133313231333132233132313331333133313332221313
>>
B331133131323131133132233133313231333132233132313331333133313332221312
>>