1: (0 1 3)

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

2: (3 6 20)

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

3: (2 16 5)

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

4: (14 21 19)

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