1: (6 11 19)

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

2: (5 14 7)

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

3: (4 12 10)

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

4: (11 20 13)

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