B331133131323131133132233133313231323132333133313112331311331121
>>
B33113313132313113313223313331323132313233313331311233131133112
<<
B331133131323131133132233133313231323132333133313112331311331123
>>
B331133131323131133132233133313231323132333133313112331311331122
>>