1: (0 6 15)

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

2: (5 15 7)

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

3: (1 20 9)

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

4: (0 7 4)

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