C31232233133313221211113313331333133313331212111133133311211233221   >>    C3123223313331322121111331333133313331333121211113313331121123322   <<    C31232233133313221211113313331333133313331212111133133311211233223   >>      C31232233133313221211113313331333133313331212111133133311211233222   >>