1: (0 1 3)

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

2: (3 7 20)

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

3: (2 9 4)

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

4: (6 12 8)

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