B331133131323131133132233133313231333132313132322331333132322123231311331
>>
B33113313132313113313223313331323133313231313232233133313232212323131133
<<
B331133131323131133132233133313231333132313132322331333132322123231311333
>>
B331133131323131133132233133313231333132313132322331333132322123231311332
>>