B331133131323131133132233133313231313231333132322331323133313232233132231211
>>
B33113313132313113313223313331323131323133313232233132313331323223313223121
<<
B331133131323131133132233133313231313231333132322331323133313232233132231213
>>
B331133131323131133132233133313231313231333132322331323133313232233132231212
>>