1: (2 6 13)

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

2: (5 14 12)

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

3: (1 8 4)

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

4: (6 16 13)

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