C31232233133313221211113313331333133313331212111112111112132321   >>    C3123223313331322121111331333133313331333121211111211111213232   <<    C31232233133313221211113313331333133313331212111112111112132323   >>      C31232233133313221211113313331333133313331212111112111112132322   >>