1: (7 10 19)

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

2: (4 11 9)

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

3: (6 12 8)

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

4: (10 20 13)

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