1: (3 9 16)

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

2: (0 10 8)

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

3: (2 20 4)

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

4: (5 9 17)

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