1: (0 1 2)

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

2: (1 4 7)

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

3: (3 8 5)

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

4: (2 21 7)

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