1: (4 8 16)

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

2: (7 19 9)

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

3: (0 17 15)

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

4: (6 11 8)

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