1: (4 7 11)

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

2: (6 20 9)

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

3: (4 8 19)

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

4: (3 10 5)

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