If you are after how they are connected to the valve block here you go :
nr 18 fits into the valve block bottom rear.
nr 17 fits into the valve block top rear.
nr 16 fits into the valve block top front.
nr 15 fits into the valve block second from top front and the pipe numbered
nr 14 fits into the valve block bottom front.
nr 13 fits into the valve block second from bottom front