1: (0 1 5)

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

2: (3 5 21)

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

3: (2 10 4)

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

4: (1 14 5)

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