1: (0 4 20)

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

2: (3 21 9)

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

3: (0 4 20)

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

4: (1 12 5)

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