1: (1 6 8)

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

2: (4 9 7)

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

3: (2 10 8)

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

4: (3 10 14)

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