B3311331313231311331322331333131133132313133313232233131333132313231311211321
>>
B331133131323131133132233133313113313231313331323223313133313231323131121132
<<
B3311331313231311331322331333131133132313133313232233131333132313231311211323
>>
B3311331313231311331322331333131133132313133313232233131333132313231311211322
>>