1: (0 5 9)

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

2: (2 11 8)

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

3: (0 20 3)

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

4: (6 12 10)

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