1: (2 4 9)

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

2: (1 5 3)

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

3: (4 20 7)

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

4: (0 16 8)

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