1: (2 6 15)

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

2: (5 17 7)

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

3: (14 19 16)

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

4: (3 10 15)

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