1: (5 10 20)

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

2: (0 19 6)

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

3: (5 13 8)

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

4: (9 15 11)

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