1: (1 7 9)

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

2: (6 11 8)

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

3: (5 18 9)

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

4: (0 15 2)

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