1: (1 7 15)

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

2: (2 17 13)

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

3: (14 21 16)

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

4: (1 12 5)

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