1: (0 1 2)

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

2: (5 15 18)

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

3: (14 20 17)

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

4: (3 18 8)

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