1: (4 8 12)

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

2: (5 13 11)

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

3: (4 8 12)

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

4: (3 9 6)

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