1: (1 3 13)

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

2: (0 6 2)

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

3: (3 20 8)

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

4: (5 14 12)

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