i1 : switch(3,9,0..10) o1 = (0, 1, 2, 9, 4, 5, 6, 7, 8, 3, 10) o1 : Sequence
i2 : switch(0,-1,0..10) o2 = (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0) o2 : Sequence