1: (4 7 16)

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

2: (3 12 5)

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

3: (1 8 6)

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

4: (7 20 10)

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