1: (0 1 3)

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

2: (3 6 8)

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

3: (5 13 7)

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

4: (1 8 4)

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