1: (3 12 20)

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

2: (0 19 5)

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

3: (3 17 9)

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

4: (2 7 4)

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