B331133131323131133132233133313231323133313331331123121123313231323131111111
>>
B33113313132313113313223313331323132313331333133112312112331323132313111111
<<
B331133131323131133132233133313231323133313331331123121123313231323131111113
>>
B331133131323131133132233133313231323133313331331123121123313231323131111112
>>