1: (5 10 17)

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

2: (9 20 11)

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

3: (5 10 17)

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

4: (4 19 6)

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