1: (0 1 6)

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

2: (1 7 12)

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

3: (3 14 11)

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

4: (2 21 4)

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