C1111233133313231133133313331333133313231232313331333133313333132332313111121   >>    C111123313331323113313331333133313331323123231333133313331333313233231311112   <<    C1111233133313231133133313331333133313231232313331333133313333132332313111123   >>      C1111233133313231133133313331333133313231232313331333133313333132332313111122   >>