B33113313132313113313223313331323132322331313231323331323132313331121
>>
B3311331313231311331322331333132313232233131323132333132313231333112
<<
B33113313132313113313223313331323132322331313231323331323132313331123
>>
B33113313132313113313223313331323132322331313231323331323132313331122
>>