1: (0 2 7)

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

2: (4 7 20)

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

3: (3 8 5)

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

4: (2 9 7)

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