B331133131323131133132233133313231323331323133313133313231312312111
>>
B33113313132313113313223313331323132333132313331313331323131231211
<<
B331133131323131133132233133313231323331323133313133313231312312113
>>
B331133131323131133132233133313231323331323133313133313231312312112
>>