A newly opened north-south highway with six tunnels in the middle: Changchuan Tunnel, Damei Tunnel, Qingshan Peak Tunnel, Green Water Tunnel, Caishi Tunnel and Baiyu Tunnel  It is known that: (1) Baiyu Tunnel is in the north of Caishi Tunnel and is adjacent to Caishi Tunnel  Baiyu Tunnel is located in the south of Damei Tunnel but not adjacent to it
(2) there is a tunnel between Changchuan Tunnel and Qingshan Tunnel
There is a tunnel between Baiyu Tunnel and Damei Tunnel.