1: (0 8 15)

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

2: (6 16 14)

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

3: (5 10 7)

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

4: (3 20 15)

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