1: (5 8 15)

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

2: (4 11 6)

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

3: (7 14 9)

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

4: (8 18 10)

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