1: (3 10 15)

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

2: (9 20 11)

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

3: (8 16 14)

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

4: (4 17 15)

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