1: (1 4 9)

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

2: (6 9 15)

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

3: (5 13 7)

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

4: (4 11 8)

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