1: (4 13 17)

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

2: (3 15 5)

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

3: (12 18 14)

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

4: (11 19 17)

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