1: (0 1 3)

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

2: (3 9 19)

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

3: (2 12 6)

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

4: (11 20 18)

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