title a simple sprocket
sd 1 cy 0 12 0 0 0 1 .8
sd 2 cy 0 0 0 0 0 1 10
sd 3 cy 0 0 0 0 0 1 12
sd 4 pl3 rt 0 0 0 cy 1 95 0 rt 0 0 1 
sd 5 pl3 rt 0 0 0 cy 1 85 0 rt 0 0 1 
sd 6 cy 0 6 0 0 0 1 .8
sd 7 cy 0 0 0 0 0 1 4
sd 8 cy 0 0 0 0 0 1 6
sd 9 pl3 rt 0 0 0 cy 1 100 0 rt 0 0 1 
sd 10 pl3 rt 0 0 0 cy 1 80  0 rt 0 0 1 
gct 1 mx 17.5;
lev 1 grep 1;;
block 1 2 3 4 5;1 3 5;1 3;-1.2 -.6 0 .6 1.2 10 11 12 0 .5
de 2 2 0 4 3 0
sfi -2 -4;-2 -3;;sd 1
sf 0 1 0 0 1 0 sd 2
sf 0 3 0 0 3 0 sd 3
sf 1 0 0 1 0 0 sd 4
sf 5 0 0 5 0 0 sd 5
lct 35 rz 10;repe 35;
lrep  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19
     20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35;
endpart
pslv 1
block 1 2 3 4 5;1 3 5;1 3;-1.2 -.5 0 .5 1.2 4 5 6 0 .5
de 2 2 0 4 3 0
sfi -2 -4;-2 -3;;sd 6
sf 0 1 0 0 1 0 sd 7
sf 0 3 0 0 3 0 sd 8
sf 1 0 0 1 0 0 sd 9
sf 5 0 0 5 0 0 sd 10
lct 17 rz 20;repe 17;
lrep  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17;
endpart
pplv
merge
rx 20 ry 20 zf 1.5 tvv
