1: (0 1 10)

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

2: (7 10 20)

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

3: (6 12 9)

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

4: (1 16 10)

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