1: (6 10 15)

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

2: (12 15 16)

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

3: (4 11 9)

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

4: (10 19 15)

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