1: (4 6 15)

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

2: (5 20 7)

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

3: (1 15 10)

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

4: (0 9 2)

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