1: (3 4 20)

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

2: (4 9 11)

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

3: (8 13 10)

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

4: (3 11 5)

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