1: (0 1 7)

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

2: (1 8 12)

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

3: (3 16 10)

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

4: (2 21 4)

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