1: (0 1 3)

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

2: (3 6 20)

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

3: (2 15 5)

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

4: (11 21 19)

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