:"PULLEYS.TIN - lrb - 7/27/11, 7/3/12"
:"See http://tinyurl.com/Phizziks"
:"(http://primepuzzle.com/tunxis/pulleys.html)"
:"This was written to figure out multiples of 72."
:""
P:d*72
d=d+1
{d<4}->P
:""
!