1: (0 1 3)

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

2: (1 5 7)

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

3: (4 10 6)

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

4: (3 15 7)

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