1: (2 9 19)

(0 17 3)(1 7 4)(2 12 20 19 6)(5 10 8)(9)(11 15 13)(14 18 16)

2: (0 17 3)

(0)(1 7 4)(2 12 20 19 6)(3)(5 10 8)(9)(11 15 13)(14 18 16)(17)

3: (2 12 6)

(0)(1 7 4)(2)(3)(5 10 8)(6 20 19)(9)(11 15 13)(12)(14 18 16)(17)

4: (5 10 8)

(0)(1 7 4)(2)(3)(5)(6 20 19)(8)(9)(10)(11 15 13)(12)(14 18 16)(17)