B3311331313231311331322331333132233131133132233133313231333132313231323121
>>
B331133131323131133132233133313223313113313223313331323133313231323132312
<<
B3311331313231311331322331333132233131133132233133313231333132313231323123
>>
B3311331313231311331322331333132233131133132233133313231333132313231323122
>>