1: (2 4 11)

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

2: (0 5 3)

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

3: (4 16 7)

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

4: (6 12 10)

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