1: (0 1 15)

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

2: (8 15 21)

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

3: (7 16 14)

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

4: (6 20 15)

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