B331133131323131133132233133313113313331323121133133313231323131133132313211
>>
B33113313132313113313223313331311331333132312113313331323132313113313231321
<<
B331133131323131133132233133313113313331323121133133313231323131133132313213
>>
B331133131323131133132233133313113313331323121133133313231323131133132313212
>>