B3311331311211331323131231232313231323223313232313331323331323132322331312111
>>
B331133131121133132313123123231323132322331323231333132333132313232233131211
<<
B3311331311211331323131231232313231323223313232313331323331323132322331312113
>>
B3311331311211331323131231232313231323223313232313331323331323132322331312112
>>