1: (0 1 5)

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

2: (3 5 21)

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

3: (2 8 4)

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

4: (1 16 5)

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