1: (9 11 18)

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

2: (6 12 10)

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

3: (2 13 11)

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

4: (1 15 3)

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