C31232233133313221211113313331333133313332213121111113313113313331313111   >>    C3123223313331322121111331333133313331333221312111111331311331333131311   <<    C31232233133313221211113313331333133313332213121111113313113313331313113   >>      C31232233133313221211113313331333133313332213121111113313113313331313112   >>