1: (0 1 5)

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

2: (1 7 12)

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

3: (3 14 10)

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

4: (2 21 4)

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