1: (4 7 9)

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

2: (9 12 15)

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

3: (11 17 13)

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

4: (7 15 10)

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