1: (5 10 20)

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

2: (0 19 8)

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

3: (10 12 13)

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

4: (7 15 9)

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