1: (1 5 10)

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

2: (3 14 6)

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

3: (9 19 13)

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

4: (1 7 11)

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