1: (0 1 15)

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

2: (12 15 20)

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

3: (11 17 13)

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

4: (12 16 14)

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