1: (0 2 3)

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

2: (3 8 11)

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

3: (6 12 9)

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

4: (2 11 4)

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