1: (9 12 15)

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

2: (4 7 12)

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

3: (2 8 6)

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

4: (3 18 5)

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