1: (5 17 19)

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

2: (7 20 18)

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

3: (5 17 19)

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

4: (4 10 6)

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