1: (0 2 16)

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

2: (1 20 5)

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

3: (2 19 13)

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

4: (12 17 15)

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