B331133131323131133132233133313231313231333132322331333131133131311111
>>
B33113313132313113313223313331323131323133313232233133313113313131111
<<
B331133131323131133132233133313231313231333132322331333131133131311113
>>
B331133131323131133132233133313231313231333132322331333131133131311112
>>