1: (1 6 15)

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

2: (0 8 5)

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

3: (7 19 10)

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

4: (6 20 9)

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