C1111233133313231133133313331333133313231232313331333133313111323321   >>    C111123313331323113313331333133313331323123231333133313331311132332   <<    C1111233133313231133133313331333133313231232313331333133313111323323   >>      C1111233133313231133133313331333133313231232313331333133313111323322   >>