C31232233133313221211113313331333133313331212111113331322211211   >>    C3123223313331322121111331333133313331333121211111333132221121   <<    C31232233133313221211113313331333133313331212111113331322211213   >>      C31232233133313221211113313331333133313331212111113331322211212   >>