B331133131323131133132233133313113313331323121133133313231311211323321
>>
B33113313132313113313223313331311331333132312113313331323131121132332
<<
B331133131323131133132233133313113313331323121133133313231311211323323
>>
B331133131323131133132233133313113313331323121133133313231311211323322
>>