1: (0 1 6)

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

2: (4 6 21)

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

3: (3 12 5)

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

4: (2 20 9)

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