B33113313132313113313223313331323132322331313113313331323331323223313121311
>>
B3311331313231311331322331333132313232233131311331333132333132322331312131
<<
B33113313132313113313223313331323132322331313113313331323331323223313121313
>>
B33113313132313113313223313331323132322331313113313331323331323223313121312
>>