1: (4 10 13)

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

2: (3 12 5)

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

3: (9 14 11)

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

4: (8 17 13)

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