1: (0 5 19)

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

2: (1 20 18)

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

3: (7 14 21)

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

4: (2 9 6)

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