1: (5 8 15)

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

2: (2 9 7)

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

3: (0 14 3)

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

4: (4 15 12)

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