1: (0 1 16)

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

2: (3 16 21)

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

3: (2 18 14)

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

4: (12 17 15)

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