1: (0 1 16)

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

2: (3 16 21)

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

3: (2 19 12)

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

4: (7 18 15)

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