1: (1 5 8)

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

2: (4 12 6)

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

3: (7 13 9)

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

4: (3 10 8)

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