B3311331313231311331322331333132313233313233231333133313232113313232233121
>>
B331133131323131133132233133313231323331323323133313331323211331323223312
<<
B3311331313231311331322331333132313233313233231333133313232113313232233123
>>
B3311331313231311331322331333132313233313233231333133313232113313232233122
>>