An antique clock with Roman numerals is in
Notice the numeral IIII instead of the familiar Roman
The clock face has cracks
that divide it into 4 parts.
Unequal sums of the Roman
numerals are in each part. (21, 17, 20,20)
Can you rearrange one
crack, leaving the others untouched, to obtain a sum of 20 for each of the 4 parts?