1: (0 3 15)

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

2: (2 16 12)

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

3: (1 18 15)

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

4: (10 17 13)

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