1: (0 10 16)

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

2: (9 17 12)

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

3: (2 18 16)

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

4: (11 17 15)

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