C31232233133313221211113313331333133313331212111133133313132322331311211211   >>    C3123223313331322121111331333133313331333121211113313331313232233131121121   <<    C31232233133313221211113313331333133313331212111133133313132322331311211213   >>      C31232233133313221211113313331333133313331212111133133313132322331311211212   >>