C3123223313331322121111331333133313331333121211113313331323313311221   >>    C312322331333132212111133133313331333133312121111331333132331331122   <<    C3123223313331322121111331333133313331333121211113313331323313311223   >>      C3123223313331322121111331333133313331333121211113313331323313311222   >>