1: (0 4 7)

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

2: (2 8 5)

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

3: (4 14 18)

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

4: (13 19 16)

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