1: (0 1 5)

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

2: (5 9 19)

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

3: (3 10 8)

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

4: (2 6 4)

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