1: (0 1 5)

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

2: (1 6 16)

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

3: (2 19 13)

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

4: (12 17 15)

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