1: (0 2 8)

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

2: (1 18 4)

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

3: (8 13 17)

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

4: (11 19 16)

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