1: (4 8 11)

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

2: (0 9 5)

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

3: (6 12 10)

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

4: (4 15 7)

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