1: (0 1 17)

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

2: (7 17 21)

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

3: (6 18 16)

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

4: (5 19 17)

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