1: (1 3 15)

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

2: (0 4 2)

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

3: (3 17 11)

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

4: (10 16 14)

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