B331133131323131133132233133313231323223313231313331333132313331123313231211
>>
B33113313132313113313223313331323132322331323131333133313231333112331323121
<<
B331133131323131133132233133313231323223313231313331333132313331123313231213
>>
B331133131323131133132233133313231323223313231313331333132313331123313231212
>>