*V 0 B200=-1. C200=-1. *P C100 M=Q N=R *CRATLOP D=(P#0#0)+2. K=0.01-D+2. *J DONE R=(P#-1#0)+0. S=(P#1#0)+0. *P P#5#0 I=24. *CCOLLOP *U HERE C99=T D99=U-1. F=(P#0#0)*R E99=D+41. *P@ C99,E99 P#0#0 = (P#0#0)+F AA99=M AB99=N+S-1. *P@ AA99,AB99 P##=(P#0#0)-F *P@ C99,D99 *P P#1#0 I=I-1. *J COLLOP *P P#-29#1 %=1. *J RATLOP *CDONE %=1.