B331133131323131133132233133313231333132233132313331333131331123232111
>>
B33113313132313113313223313331323133313223313231333133313133112323211
<<
B331133131323131133132233133313231333132233132313331333131331123232113
>>
B331133131323131133132233133313231333132233132313331333131331123232112
>>