1: (0 3 7)

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

2: (1 18 4)

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

3: (3 12 5)

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

4: (11 19 13)

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