B331133131323131133132233133313231333132333131211113313231311331311331121311
>>
B33113313132313113313223313331323133313233313121111331323131133131133112131
<<
B331133131323131133132233133313231333132333131211113313231311331311331121313
>>
B331133131323131133132233133313231333132333131211113313231311331311331121312
>>