1: (0 1 5)

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

2: (5 17 20)

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

3: (14 21 19)

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

4: (12 18 15)

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