1: (0 3 6)

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

2: (6 9 18)

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

3: (4 15 8)

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

4: (14 19 17)

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