B3311331313231311331322331333132313133313113313113313232233132322231121
>>
B331133131323131133132233133313231313331311331311331323223313232223112
<<
B3311331313231311331322331333132313133313113313113313232233132322231123
>>
B3311331313231311331322331333132313133313113313113313232233132322231122
>>