1: (3 6 16)

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

2: (4 18 7)

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

3: (15 19 17)

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

4: (3 14 5)

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