B331133131323131133132233133313231333132313132322331333132313232223311331
>>
B33113313132313113313223313331323133313231313232233133313231323222331133
<<
B331133131323131133132233133313231333132313132322331333132313232223311333
>>
B331133131323131133132233133313231333132313132322331333132313232223311332
>>