1: (0 1 5)

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

2: (3 5 18)

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

3: (2 8 4)

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

4: (1 14 5)

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