1: (0 6 15)

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

2: (5 19 7)

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

3: (0 6 15)

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

4: (14 20 16)

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