1: (0 2 5)

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

2: (1 9 3)

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

3: (5 16 18)

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

4: (14 19 17)

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