1: (4 8 13)

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

2: (10 13 16)

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

3: (3 9 7)

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

4: (6 15 12)

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