1: (0 1 16)

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

2: (3 16 21)

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

3: (2 19 11)

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

4: (10 18 13)

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