1: (6 15 20)

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

2: (7 20 19)

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

3: (1 16 14)

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

4: (0 18 3)

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