C1111233133313231133133313331333133313231323331123231333132332233112331   >>    C111123313331323113313331333133313331323132333112323133313233223311233   <<    C1111233133313231133133313331333133313231323331123231333132332233112333   >>      C1111233133313231133133313331333133313231323331123231333132332233112332   >>