1: (0 1 15)

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

2: (3 15 21)

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

3: (2 17 10)

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

4: (6 16 14)

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