C1212122313132322331323323132313331323331313132313113313233313223231   >>    C121212231313232233132332313231333132333131313231311331323331322323   <<    C1212122313132322331323323132313331323331313132313113313233313223233   >>      C1212122313132322331323323132313331323331313132313113313233313223232   >>