B331133131323131133132233133313231323112113313113313232233132313132322121
>>
B33113313132313113313223313331323132311211331311331323223313231313232212
<<
B331133131323131133132233133313231323112113313113313232233132313132322123
>>
B331133131323131133132233133313231323112113313113313232233132313132322122
>>