1: (4 6 10)

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

2: (10 13 18)

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

3: (1 7 5)

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

4: (3 11 9)

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