1: (0 1 15)

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

2: (3 15 21)

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

3: (2 19 11)

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

4: (6 16 14)

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