player 1 name 1
player 2 name 2
level -2.0 node 1 player 0 
level 2.0 node 2 player 1 xshift -4.0 from 1 move 1/2_1~(\frac{1}{2}) 
level 6.0 node 3 xshift -2.0 from 2 move X_G 
level 12.0 node 4 xshift -1.0 from 3 move l_X payoffs 4 10 
level 12.0 node 5 xshift 1.0 from 3 move r_X payoffs 0 6 
level 8.0 node 6 xshift 2.0 from 2 move Y_G 
level 12.0 node 7 xshift -1.0 from 6 move l_Y payoffs 4 10 
level 12.0 node 8 xshift 1.0 from 6 move r_Y payoffs 0 6 
level 4.0 node 9 player 1 xshift 4.0 from 1 move 1/2_2~(\frac{1}{2}) 
level 6.0 node 10 xshift -2.0 from 9 move X_B 
level 12.0 node 11 xshift -1.0 from 10 move l_X payoffs 6 0 
level 12.0 node 12 xshift 1.0 from 10 move r_X payoffs 0 6 
level 8.0 node 13 xshift 2.0 from 9 move X_G 
level 12.0 node 14 xshift -1.0 from 13 move l_Y payoffs 6 0 
level 12.0 node 15 xshift 1.0 from 13 move r_Y payoffs 0 6 
iset 3 10 player 2 
iset 6 13 player 2