1: (0 1 5)

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

2: (2 5 10)

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

3: (4 21 6)

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

4: (1 12 9)

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