1: (4 8 10)

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

2: (6 12 8)

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

3: (9 15 11)

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

4: (5 20 7)

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