1: (0 4 10)

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

2: (1 20 9)

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

3: (0 6 2)

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

4: (1 5 3)

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