1: (4 6 11)

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

2: (5 13 9)

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

3: (4 6 11)

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

4: (10 18 12)

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