1: (0 1 6)

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

2: (1 7 16)

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

3: (5 19 9)

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

4: (8 17 15)

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