ok 15 - expected to die with reverse range [3..1,7..9] ok 16 - expected to die with reverse range [1..4,7..5] ok 17 - expected to die with reverse range [3..4, 7..5] ok 18 - expected to die with reverse range [0..2,27..5] ok 19 - correct result for range [1,2..5,4] ok 20 - correct result for range [1,1..3] ok 21 - correct result for range [0..5,3] ok 22 - correct result for range [5..7,1..6] ok 23 - correct result for range [1..3,3,5..7] ok 24 - correct result for range [8,9,1..2] ok 25 - correct result for range [1..5,3]