B33113313132313113313223313331323331323131323331123313231323132313231311212121
>>
B3311331313231311331322331333132333132313132333112331323132313231323131121212
<<
B33113313132313113313223313331323331323131323331123313231323132313231311212123
>>
B33113313132313113313223313331323331323131323331123313231323132313231311212122
>>