1: (3 9 12)

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

2: (4 13 11)

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

3: (3 9 12)

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

4: (7 15 10)

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