1: (0 10 16)

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

2: (7 19 15)

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

3: (9 17 14)

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

4: (8 12 16)

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