1: (4 10 16)

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

2: (3 12 5)

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

3: (9 13 11)

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

4: (6 10 17)

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