1: (3 7 15)

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

2: (5 20 8)

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

3: (1 18 3)

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

4: (0 19 17)

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