1: (7 9 16)

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

2: (1 10 8)

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

3: (9 18 11)

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

4: (14 19 17)

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