1: (3 12 20)

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

2: (0 19 5)

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

3: (3 15 10)

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

4: (2 7 4)

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