1: (0 4 7)

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

2: (1 8 5)

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

3: (4 14 16)

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

4: (13 17 15)

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