1: (3 5 16)

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

2: (1 6 4)

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

3: (5 18 7)

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

4: (12 19 17)

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