1: (3 5 9)

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

2: (1 6 4)

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

3: (5 20 8)

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

4: (0 16 2)

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