1: (9 15 20)

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

2: (3 7 15)

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

3: (6 11 8)

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

4: (2 17 4)

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