1: (0 1 15)

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

2: (13 15 21)

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

3: (12 16 14)

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

4: (1 20 15)

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