1: (1 5 9)

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

2: (4 13 8)

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

3: (3 15 9)

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

4: (12 16 14)

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