B3311331313231311331322331333132313231333133313311211113313231333131132121
>>
B331133131323131133132233133313231323133313331331121111331323133313113212
<<
B3311331313231311331322331333132313231333133313311211113313231333131132123
>>
B3311331313231311331322331333132313231333133313311211113313231333131132122
>>