1: (0 4 12)

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

2: (1 18 5)

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

3: (8 19 16)

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

4: (10 17 15)

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