1: (0 10 16)

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

2: (8 21 11)

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

3: (1 10 20)

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

4: (6 12 9)

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