1: (3 8 12)

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

2: (6 15 9)

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

3: (4 8 7)

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

4: (2 13 11)

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