1: (0 5 6)

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

2: (5 7 10)

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

3: (3 18 9)

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

4: (2 8 4)

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