1: (8 12 16)

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

2: (5 13 11)

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

3: (4 8 6)

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

4: (7 17 9)

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