1: (0 2 9)

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

2: (1 11 3)

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

3: (2 10 18)

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

4: (1 21 5)

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