C31232233133313221211113313331333131211113313232112323132313111   >>    C3123223313331322121111331333133313121111331323211232313231311   <<    C31232233133313221211113313331333131211113313232112323132313113   >>      C31232233133313221211113313331333131211113313232112323132313112   >>