Third grade math problem with 24 side length is 1 cm small square put together into a rectangle, this rectangle circumference is how many centimeters?

Third grade math problem with 24 side length is 1 cm small square put together into a rectangle, this rectangle circumference is how many centimeters?

There are several cases, look at the rectangular side length
Width length perimeter
1 24 50
2 12 28
3 8 22
4 6 20