1: (1 5 9)

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

2: (5 10 13)

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

3: (4 11 6)

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

4: (0 7 2)

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