1: (0 2 12)

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

2: (1 17 4)

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

3: (2 14 9)

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

4: (11 16 13)

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