1: (6 11 15)

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

2: (10 17 13)

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

3: (6 11 15)

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

4: (14 19 16)

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