1: (9 11 20)

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

2: (3 5 11)

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

3: (1 6 4)

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

4: (5 20 7)

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