1: (0 2 4)

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

2: (1 7 3)

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

3: (4 14 16)

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

4: (13 17 15)

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