B331133131323131133132233133313231323131313331333133313232213232321
>>
B33113313132313113313223313331323132313131333133313331323221323232
<<
B331133131323131133132233133313231323131313331333133313232213232323
>>
B331133131323131133132233133313231323131313331333133313232213232322
>>