1: (0 1 17)

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

2: (11 17 21)

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

3: (9 18 13)

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

4: (6 20 17)

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