1: (2 11 15)

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

2: (1 13 4)

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

3: (10 16 14)

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

4: (3 17 15)

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