1: (5 9 15)

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

2: (2 10 8)

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

3: (4 16 6)

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

4: (3 11 9)

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