1: (0 2 17)

(0)(1 20 8 6 4)(2 19 17 21 12 5 3)(7 14 11)(9 16 10)(13 18 15)

2: (1 20 8)

(0)(1 6 4)(2 19 17 21 12 5 3)(7 14 11)(8)(9 16 10)(13 18 15)(20)

3: (5 19 12)

(0)(1 6 4)(2 19 3)(5)(7 14 11)(8)(9 16 10)(12 17 21)(13 18 15)(20)

4: (7 14 11)

(0)(1 6 4)(2 19 3)(5)(7)(8)(9 16 10)(11)(12 17 21)(13 18 15)(14)(20)