1: (0 2 4)

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

2: (4 11 18)

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

3: (3 16 9)

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

4: (14 19 17)

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