1: (0 1 4)

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

2: (4 16 19)

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

3: (14 20 18)

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

4: (12 21 17)

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