1: (5 10 12)

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

2: (9 13 11)

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

3: (8 19 12)

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

4: (3 17 6)

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