1: (0 3 16)

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

2: (2 20 4)

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

3: (9 21 17)

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

4: (3 19 5)

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