C31232233133313221211113313331333133313331212111112111113213321   >>    C3123223313331322121111331333133313331333121211111211111321332   <<    C31232233133313221211113313331333133313331212111112111113213323   >>      C31232233133313221211113313331333133313331212111112111113213322   >>