C1111133313331323223313331333133313311232313112121111331323113121   >>    C111113331333132322331333133313331331123231311212111133132311312   <<    C1111133313331323223313331333133313311232313112121111331323113123   >>      C1111133313331323223313331333133313311232313112121111331323113122   >>