1: (5 10 17)

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

2: (4 11 9)

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

3: (5 10 17)

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

4: (8 18 16)

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