1: (0 7 18)

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

2: (6 21 8)

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

3: (7 20 11)

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

4: (10 19 17)

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