B33113313132313113313223313331323132313231323131333132313231323132233131112121
>>
B3311331313231311331322331333132313231323132313133313231323132313223313111212
<<
B33113313132313113313223313331323132313231323131333132313231323132233131112123
>>
B33113313132313113313223313331323132313231323131333132313231323132233131112122
>>