# Copyright (c) 2002 Trustees of Indiana University## Distributed under the Boost Software License, Version 1.0.# (See accompanying file LICENSE_1_0.txt or copy at# http://www.boost.org/LICENSE_1_0.txt)# vertices and edges can be interleavedv 3.14 0v 3.15 1e 0 1 0.1e 1 0 1.0v 3.16 2e 1 2 1.2