1: (0 3 16)

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

2: (2 20 4)

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

3: (9 21 17)

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

4: (3 19 5)

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