C11112331333132311331333133313331333132332311331333133313132233132322131   >>    C1111233133313231133133313331333133313233231133133313331313223313232213   <<    C11112331333132311331333133313331333132332311331333133313132233132322133   >>      C11112331333132311331333133313331333132332311331333133313132233132322132   >>