1: (1 3 7)

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

2: (3 9 15)

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

3: (8 17 10)

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

4: (13 19 16)

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