1: (6 7 12)

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

2: (2 7 20)

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

3: (1 19 3)

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

4: (2 12 4)

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