1: (0 6 12)

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

2: (4 13 11)

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

3: (2 8 5)

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

4: (7 12 10)

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