1: (0 2 15)

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

2: (1 19 6)

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

3: (0 4 18)

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

4: (3 9 5)

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