1: (0 2 16)

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

2: (1 21 3)

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

3: (2 19 4)

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

4: (15 20 18)

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