B33113313132313113313223313331311331323331323331333132233132313231311212121121
>>
B3311331313231311331322331333131133132333132333133313223313231323131121212112
<<
B33113313132313113313223313331311331323331323331333132233132313231311212121123
>>
B33113313132313113313223313331311331323331323331333132233132313231311212121122
>>