1: (6 9 10)

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

2: (0 4 10)

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

3: (2 15 5)

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

4: (4 11 9)

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