1: (4 10 17)

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

2: (3 12 5)

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

3: (9 14 11)

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

4: (6 10 20)

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