C31232233133313221211113313331333133313331212111111331313331323311322321   >>    C3123223313331322121111331333133313331333121211111133131333132331132232   <<    C31232233133313221211113313331333133313331212111111331313331323311322323   >>      C31232233133313221211113313331333133313331212111111331313331323311322322   >>