1: (5 12 17)

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

2: (4 14 6)

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

3: (11 15 13)

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

4: (7 12 18)

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