1: (8 10 15)

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

2: (7 11 9)

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

3: (4 12 10)

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

4: (1 14 5)

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