1: (1 5 8)

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

2: (4 12 6)

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

3: (5 9 7)

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

4: (3 13 8)

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