1: (0 2 6)

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

2: (1 8 4)

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

3: (6 15 18)

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

4: (13 19 17)

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