1: (1 6 8)

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

2: (5 9 7)

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

3: (4 15 8)

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

4: (3 18 9)

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