1: (7 9 15)

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

2: (3 9 20)

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

3: (0 18 4)

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

4: (3 15 5)

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