1: (0 1 3)

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

2: (3 11 20)

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

3: (2 16 5)

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

4: (10 18 12)

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