1: (0 1 17)

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

2: (9 17 21)

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

3: (6 18 11)

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

4: (1 20 17)

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