1: (1 9 19)

(0 10 4)(1 17 15 19 8)(2 20 18)(3 7 5)(6 13 11)(9)(12 16 14)

2: (0 10 4)

(0)(1 17 15 19 8)(2 20 18)(3 7 5)(4)(6 13 11)(9)(10)(12 16 14)

3: (2 20 18)

(0)(1 17 15 19 8)(2)(3 7 5)(4)(6 13 11)(9)(10)(12 16 14)(18)(20)

4: (1 17 8)

(0)(1)(2)(3 7 5)(4)(6 13 11)(8 15 19)(9)(10)(12 16 14)(17)(18)(20)