player 1 name I
player 2 name II
level -2.0 node 1 player 2 
level 2.0 node 2 xshift -4.0 from 1 move l 
level 6.0 node 3 xshift -2.0 from 2 move T 
level 10.0 node 4 xshift -1.0 from 3 move a payoffs 1 5 
level 10.0 node 5 xshift 1.0 from 3 move b payoffs 3 4 
level 6.0 node 6 xshift 2.0 from 2 move B 
level 10.0 node 7 xshift -1.0 from 6 move a payoffs 0 0 
level 10.0 node 8 xshift 1.0 from 6 move b payoffs 0 2 
level 2.0 node 9 xshift 4.0 from 1 move r 
level 6.0 node 10 xshift -2.0 from 9 move T 
level 10.0 node 11 xshift -1.0 from 10 move a payoffs 0 3 
level 10.0 node 12 xshift 1.0 from 10 move b payoffs 1 0 
level 6.0 node 13 xshift 2.0 from 9 move B 
level 10.0 node 14 xshift -1.0 from 13 move a payoffs 2 3 
level 10.0 node 15 xshift 1.0 from 13 move b payoffs 0 4 
iset 2 9 player 1 
iset 3 6 10 13 player 2