r1's upper-left: x coordinate = 2, y coordinate = 3
r1 has: The upper-left corner has x coordinate = 2, y coordinate = 3; length = 20, width = 10
r3's upper-left: x coordinate = 22, y coordinate = 5
r1's upper-left: x coordinate = 2, y coordinate = 3
r4's length = 10, width = 6, area = 60
r1 and r2 overlap
r1 and r3 overlap
r2 and r3 do not overlap
r4 and r2 overlap
r1 and r4 do not overlap