1: (0 1 15)

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

2: (13 15 21)

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

3: (7 16 14)

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

4: (1 20 15)

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