B33113313132313113313223313331323132313231323131333132313331323132211211311
>>
B3311331313231311331322331333132313231323132313133313231333132313221121131
<<
B33113313132313113313223313331323132313231323131333132313331323132211211313
>>
B33113313132313113313223313331323132313231323131333132313331323132211211312
>>