1: (1 6 8)

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

2: (5 9 7)

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

3: (4 10 8)

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

4: (3 12 9)

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