1: (2 8 10)

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

2: (10 15 20)

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

3: (9 17 11)

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

4: (14 19 16)

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