1: (4 10 12)

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

2: (9 15 11)

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

3: (8 20 12)

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

4: (3 13 5)

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