1: (5 11 13)

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

2: (10 14 12)

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

3: (3 13 9)

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

4: (2 6 4)

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