1: (5 9 13)

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

2: (4 10 13)

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

3: (6 14 12)

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

4: (8 16 11)

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