1: (2 10 15)

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

2: (9 17 11)

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

3: (14 19 16)

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

4: (1 15 8)

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