1: (0 1 15)

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

2: (3 15 21)

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

3: (2 20 9)

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

4: (8 19 11)

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