1: (1 4 17)

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

2: (3 19 5)

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

3: (16 20 18)

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

4: (2 12 17)

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