B331133131323131133132233133313232213232233132313232233133313231311121
>>
B33113313132313113313223313331323221323223313231323223313331323131112
<<
B331133131323131133132233133313232213232233132313232233133313231311123
>>
B331133131323131133132233133313232213232233132313232233133313231311122
>>