1: (0 1 4)

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

2: (4 7 18)

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

3: (3 12 5)

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

4: (11 19 13)

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