1: (0 2 5)

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

2: (1 6 4)

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

3: (2 15 17)

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

4: (13 19 16)

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