1: (4 8 12)

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

2: (2 9 6)

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

3: (4 8 12)

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

4: (0 5 3)

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