1: (0 3 4)

(0)(1 10 2)(3 20 18 11 4 7 5)(6 12 8)(9 21 19 16 13)(14 17 15)

2: (4 7 11)

(0)(1 10 2)(3 20 18 11 5)(4)(6 12 8)(7)(9 21 19 16 13)(14 17 15)

3: (6 12 8)

(0)(1 10 2)(3 20 18 11 5)(4)(6)(7)(8)(9 21 19 16 13)(12)(14 17 15)

4: (3 11 5)

(0)(1 10 2)(3)(4)(5)(6)(7)(8)(9 21 19 16 13)(11 20 18)(12)(14 17 15)