1: (4 7 19)

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

2: (0 8 5)

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

3: (3 20 18)

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

4: (4 17 6)

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