1: (1 3 11)

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

2: (0 4 2)

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

3: (3 20 8)

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

4: (6 12 9)

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