1: (4 8 11)

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

2: (7 17 9)

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

3: (6 12 10)

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

4: (5 13 11)

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