1: (7 13 18)

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

2: (0 3 18)

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

3: (1 20 5)

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

4: (3 19 13)

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