1: (5 9 15)

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

2: (4 13 6)

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

3: (5 9 15)

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

4: (12 17 14)

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