1: (0 3 8)

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

2: (1 18 4)

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

3: (2 10 5)

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

4: (12 17 19)

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