B3311331313231311331322331333132323132313113313231323133313231311331121131
>>
B331133131323131133132233133313232313231311331323132313331323131133112113
<<
B3311331313231311331322331333132323132313113313231323133313231311331121133
>>
B3311331313231311331322331333132323132313113313231323133313231311331121132
>>