1: (0 1 5)

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

2: (3 5 20)

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

3: (2 6 4)

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

4: (1 17 5)

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