1: (5 10 13)

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

2: (2 10 9)

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

3: (4 16 6)

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

4: (0 7 3)

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