B3311331313231311331322331333132313133313113313113313232233132313231111131
>>
B331133131323131133132233133313231313331311331311331323223313231323111113
<<
B3311331313231311331322331333132313133313113313113313232233132313231111133
>>
B3311331313231311331322331333132313133313113313113313232233132313231111132
>>