C31232233133313221211113313331333133313331212111133133313221222331321   >>    C3123223313331322121111331333133313331333121211113313331322122233132   <<    C31232233133313221211113313331333133313331212111133133313221222331323   >>      C31232233133313221211113313331333133313331212111133133313221222331322   >>