1: (8 11 16)

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

2: (7 12 10)

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

3: (4 13 11)

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

4: (6 18 9)

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