1: (0 1 6)

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

2: (6 9 18)

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

3: (4 15 7)

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

4: (14 19 17)

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