C22213331333133313112331323133313331333133313233121111132332221   >>    C2221333133313331311233132313331333133313331323312111113233222   <<    C22213331333133313112331323133313331333133313233121111132332223   >>      C22213331333133313112331323133313331333133313233121111132332222   >>