1: (1 6 8)

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

2: (5 9 7)

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

3: (4 13 8)

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

4: (3 14 11)

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