1: (0 9 13)

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

2: (3 15 12)

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

3: (6 14 11)

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

4: (5 9 7)

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