# simple "hand coded" matrix matrixedge 5 startnode 2 2 0 endnode 2 2 4 currentnode 2 2 0 node 2 2 0 forward twoway node 2 2 1 forward node 2 2 2 forward oneway node 2 2 3 forward node 2 1 4 up wormhole 2 2 1 2 1 4 twoway