1: (0 1 15)

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

2: (10 15 21)

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

3: (8 18 12)

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

4: (6 20 15)

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