B3311331313231311331322331333132313133313113313113313232233132313233111121
>>
B331133131323131133132233133313231313331311331311331323223313231323311112
<<
B3311331313231311331322331333132313133313113313113313232233132313233111123
>>
B3311331313231311331322331333132313133313113313113313232233132313233111122
>>