1: (0 2 5)

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

2: (1 21 3)

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

3: (2 7 11)

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

4: (6 12 8)

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