1: (0 4 12)

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

2: (9 12 18)

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

3: (7 13 11)

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

4: (10 19 17)

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