1: (1 3 13)

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

2: (0 4 2)

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

3: (3 20 10)

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

4: (9 16 12)

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