B3311331313231311331322331333132313331323131323223313133313331323233232223311
>>
B331133131323131133132233133313231333132313132322331313331333132323323222331
<<
B3311331313231311331322331333132313331323131323223313133313331323233232223313
>>
B3311331313231311331322331333132313331323131323223313133313331323233232223312
>>