1: (1 3 15)

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

2: (2 17 4)

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

3: (1 3 15)

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

4: (13 18 16)

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