1: (0 2 9)

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

2: (1 18 4)

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

3: (9 14 17)

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

4: (13 19 16)

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