1: (5 10 16)

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

2: (4 15 6)

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

3: (2 10 9)

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

4: (0 7 3)

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