1: (0 1 5)

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

2: (3 5 21)

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

3: (2 8 4)

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

4: (1 15 5)

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