1: (0 1 6)

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

2: (3 6 21)

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

3: (2 10 4)

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

4: (5 11 7)

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