1: (3 6 20)

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

2: (1 9 4)

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

3: (5 14 8)

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

4: (3 7 11)

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