B33113313132313113313223313331311331323331323331333132233132313231313231211
>>
B3311331313231311331322331333131133132333132333133313223313231323131323121
<<
B33113313132313113313223313331311331323331323331333132233132313231313231213
>>
B33113313132313113313223313331311331323331323331333132233132313231313231212
>>