1: (2 6 15)

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

2: (5 17 7)

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

3: (14 19 16)

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

4: (4 11 15)

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