1: (1 5 8)

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

2: (4 12 7)

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

3: (1 16 10)

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

4: (11 17 13)

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