1: (0 1 4)

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

2: (4 11 20)

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

3: (3 18 8)

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

4: (6 13 9)

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