1: (2 8 12)

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

2: (7 13 10)

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

3: (6 19 12)

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

4: (9 13 11)

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