1: (0 3 4)

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

2: (4 16 19)

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

3: (14 21 18)

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

4: (1 20 4)

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