1: (0 5 9)

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

2: (7 9 15)

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

3: (1 20 12)

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

4: (3 8 6)

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