C11112331333132311331333133313331333132332311331333133311211322231   >>    C1111233133313231133133313331333133313233231133133313331121132223   <<    C11112331333132311331333133313331333132332311331333133311211322233   >>      C11112331333132311331333133313331333132332311331333133311211322232   >>