1: (0 1 17)

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

2: (4 17 21)

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

3: (3 19 14)

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

4: (13 18 16)

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