B331133131323131133132233133313231323132333133313113313231331123132211
>>
B33113313132313113313223313331323132313233313331311331323133112313221
<<
B331133131323131133132233133313231323132333133313113313231331123132213
>>
B331133131323131133132233133313231323132333133313113313231331123132212
>>