player 1 name 1
player 2 name 2
level -2.0 node 1 player 0 
level 2.0 node 2 player 2 xshift -7.0 from 1 move 1/3~(\frac{1}{3}) 
level 6.0 node 3 xshift 0.0 from 2 move x 
level 12.0 node 4 xshift -1.0 from 3 move x payoffs 1 1 
level 12.0 node 5 xshift 1.0 from 3 move -x payoffs 0 0 
level 3.0 node 6 player 2 xshift -1.0 from 1 move 1/3~(\frac{1}{3}) 
level 6.0 node 7 xshift -2.0 from 6 move -x 
level 12.0 node 8 xshift -1.0 from 7 move x payoffs 0 0 
level 12.0 node 9 xshift 1.0 from 7 move -x payoffs 1 1 
level 7.0 node 10 xshift 2.0 from 6 move y 
level 12.0 node 11 xshift -1.0 from 10 move y payoffs 1 1 
level 12.0 node 12 xshift 1.0 from 10 move -y payoffs 0 0 
level 4.0 node 13 player 2 xshift 7.0 from 1 move 1/3~(\frac{1}{3}) 
level 6.0 node 14 xshift -2.0 from 13 move -x 
level 12.0 node 15 xshift -1.0 from 14 move x payoffs 0 0 
level 12.0 node 16 xshift 1.0 from 14 move -x payoffs 1 1 
level 7.0 node 17 xshift 2.0 from 13 move -y 
level 12.0 node 18 xshift -1.0 from 17 move y payoffs 0 0 
level 12.0 node 19 xshift 1.0 from 17 move -y payoffs 1 1 
iset 3 7 14 player 1 
iset 10 17 player 1