1: (0 1 15)

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

2: (3 15 21)

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

3: (2 18 10)

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

4: (5 16 14)

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