1: (0 2 6)

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

2: (4 6 21)

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

3: (3 8 5)

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

4: (2 14 6)

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