1: (3 9 15)

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

2: (1 13 6)

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

3: (11 16 14)

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

4: (4 17 15)

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