1: (3 10 18)

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

2: (8 20 12)

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

3: (0 19 15)

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

4: (1 18 6)

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