1: (4 9 12)

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

2: (8 14 11)

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

3: (6 17 12)

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

4: (13 18 15)

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