1: (5 10 18)

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

2: (4 11 7)

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

3: (10 20 16)

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

4: (2 19 17)

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