B3311331313231311331322331333132313231333133313311211113313331323223313132121
>>
B331133131323131133132233133313231323133313331331121111331333132322331313212
<<
B3311331313231311331322331333132313231333133313311211113313331323223313132123
>>
B3311331313231311331322331333132313231333133313311211113313331323223313132122
>>