1: (4 10 20)

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

2: (3 18 4)

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

3: (0 19 6)

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

4: (2 8 5)

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