sample = 6 4 rho 2 4 6 8   2 3 4 5   5 7 7 9   2 8 3 7   6 6 4 6   2 6 4 8
) get "input.ivy"

op r overlaps s = not (r[2] < s[1]) or (s[2] < r[1])
op r contains s = (r[1] <= s[1]) and (s[2] <= r[2])

op contains x = (x[1 2] contains x[3 4]) or (x[3 4] contains x[1 2])
op overlaps x = (x[1 2] overlaps x[3 4])

#1 3 overlaps 4 5  # -> 0
#1 5 overlaps 2 7  # -> 1
#contains 1 2 3 4  # -> 0
#contains 5 10 7 8 # -> 1

+/ contains transp sample
+/ contains transp input

+/ overlaps transp sample
+/ overlaps transp input