1: (4 8 20)

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

2: (3 10 5)

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

3: (2 16 8)

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

4: (1 18 15)

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