1: (0 1 5)

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

2: (1 7 13)

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

3: (6 16 8)

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

4: (5 20 13)

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