1: (1 4 9)

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

2: (4 10 14)

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

3: (6 18 11)

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

4: (12 19 16)

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