1: (0 2 3)

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

2: (2 5 17)

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

3: (3 21 13)

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

4: (12 18 16)

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