1: (3 7 10)

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

2: (6 12 8)

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

3: (1 10 5)

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

4: (0 9 2)

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