1: (5 7 15)

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

2: (4 8 6)

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

3: (3 11 7)

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

4: (10 20 12)

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