1: (4 6 12)

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

2: (5 20 7)

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

3: (0 13 11)

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

4: (3 12 10)

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