1: (0 1 11)

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

2: (1 16 18)

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

3: (14 19 17)

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

4: (11 20 18)

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