1: (0 4 18)

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

2: (2 19 15)

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

3: (1 20 18)

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

4: (0 12 19)

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