C31232233133313221211113313331333133313331212111113331312323133313112211211211   >>    C3123223313331322121111331333133313331333121211111333131232313331311221121121   <<    C31232233133313221211113313331333133313331212111113331312323133313112211211213   >>      C31232233133313221211113313331333133313331212111113331312323133313112211211212   >>