1: (0 1 2)

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

2: (2 8 16)

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

3: (7 21 10)

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

4: (1 16 6)

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