B3311331313231311331322331333132313331323131323223313231333132322331323211331
>>
B331133131323131133132233133313231333132313132322331323133313232233132321133
<<
B3311331313231311331322331333132313331323131323223313231333132322331323211333
>>
B3311331313231311331322331333132313331323131323223313231333132322331323211332
>>