B331133131323131133132233133313233313231313233311233132313231323133313232233121
>>
B33113313132313113313223313331323331323131323331123313231323132313331323223312
<<
B331133131323131133132233133313233313231313233311233132313231323133313232233123
>>
B331133131323131133132233133313233313231313233311233132313231323133313232233122
>>