C31232233133313221211113313331333133313331212111133131333132333112221   >>    C3123223313331322121111331333133313331333121211113313133313233311222   <<    C31232233133313221211113313331333133313331212111133131333132333112223   >>      C31232233133313221211113313331333133313331212111133131333132333112222   >>