1: (3 15 18)

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

2: (3 6 10)

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

3: (0 7 4)

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

4: (2 11 9)

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