1: (4 9 15)

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

2: (3 12 5)

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

3: (4 9 15)

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

4: (11 16 13)

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