1: (4 10 18)

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

2: (7 19 17)

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

3: (6 11 9)

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

4: (16 20 18)

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