1: (4 7 11)

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

2: (6 18 9)

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

3: (8 11 15)

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

4: (10 11 16)

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