a = 10, c = 15, b = 5√5
a = 8, c = 18, b = 2√65
a = 12, c = 14, b = 2√13
a = 4, c = 20, b = 8√6
a = 12, b = 14, c = 2√85
a = 4, b = 20, c = 4√26
a = 10, b = 15, c = 5√13
a = 8, b = 18, c = 2√97