1: (6 9 16)

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

2: (4 15 7)

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

3: (5 10 8)

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

4: (2 11 9)

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