1: (2 8 19)

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

2: (0 12 5)

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

3: (6 20 18)

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

4: (4 8 7)

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