1: (0 1 6)

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

2: (4 6 21)

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

3: (2 9 5)

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

4: (1 20 6)

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