1: (3 6 15)

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

2: (5 20 7)

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

3: (1 15 13)

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

4: (0 18 2)

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