1: (4 10 20)

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

2: (0 17 7)

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

3: (6 11 9)

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

4: (2 20 15)

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