x.i 0 1 88888888880 
*2 3
x.y 0 1 5888888888
*- 
ny 0 1 8888888888 
*- 3

X.y 0 1 8888888881 
*- 3
3.y 0 1 8888883796
*6 !
x. 0 1 8888888888
*-  