1: (0 6 10)

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

2: (5 15 7)

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

3: (0 6 10)

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

4: (4 11 8)

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