1: (4 7 20)

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

2: (3 8 6)

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

3: (1 9 7)

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

4: (0 18 2)

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