1: (0 3 5)

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

2: (3 8 14)

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

3: (1 18 4)

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

4: (7 20 9)

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