1: (0 2 3)

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

2: (3 17 21)

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

3: (1 20 6)

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

4: (3 19 16)

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