B331133131323131133132233133313231323331323331311133313231333132323323131121
>>
B33113313132313113313223313331323132333132333131113331323133313232332313112
<<
B331133131323131133132233133313231323331323331311133313231333132323323131123
>>
B331133131323131133132233133313231323331323331311133313231333132323323131122
>>