1: (5 10 15)

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

2: (6 20 11)

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

3: (3 15 14)

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

4: (2 17 4)

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