str1 = 0<br />str2 = 5<br />str3 = 5<br />str = 10<br />_______________<br />250<br />str1 = 9<br />str2 = 6<br />str3 = 6<br />str = 21<br />_______________<br />1701<br />str1 = 6<br />str2 = 1<br />str3 = 9<br />str = 16<br />_______________<br />576<br />