1: (4 9 16)

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

2: (1 11 5)

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

3: (7 13 9)

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

4: (10 15 12)

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