B3311331313231311331322331333132313231333133313311232313331323133313121211331
>>
B331133131323131133132233133313231323133313331331123231333132313331312121133
<<
B3311331313231311331322331333132313231333133313311232313331323133313121211333
>>
B3311331313231311331322331333132313231333133313311232313331323133313121211332
>>