1: (5 9 17)

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

2: (4 11 7)

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

3: (8 12 10)

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

4: (9 18 13)

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