B331133131323131133132233133313231313231333132322331323133313232313331121131
>>
B33113313132313113313223313331323131323133313232233132313331323231333112113
<<
B331133131323131133132233133313231313231333132322331323133313232313331121133
>>
B331133131323131133132233133313231313231333132322331323133313232313331121132
>>