1: (7 10 15)

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

2: (4 15 20)

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

3: (5 11 9)

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

4: (4 12 10)

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