1: (0 1 16)

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

2: (7 16 21)

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

3: (5 18 12)

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

4: (1 19 16)

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