1: (0 1 6)

(0)(1 20 6 9 7)(2 12 5)(3 13 10 8 4)(11 21 19 17 14)(15 18 16)

2: (6 9 20)

(0)(1 20 7)(2 12 5)(3 13 10 8 4)(6)(9)(11 21 19 17 14)(15 18 16)

3: (4 10 8)

(0)(1 20 7)(2 12 5)(3 13 10)(4)(6)(8)(9)(11 21 19 17 14)(15 18 16)

4: (2 12 5)

(0)(1 20 7)(2)(3 13 10)(4)(5)(6)(8)(9)(11 21 19 17 14)(12)(15 18 16)