1: (8 11 15)

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

2: (0 6 15)

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

3: (5 20 7)

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

4: (10 16 13)

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