1: (0 2 4)

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

2: (3 4 17)

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

3: (1 20 15)

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

4: (13 18 16)

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