1: (3 10 13)

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

2: (9 20 11)

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

3: (0 19 8)

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

4: (10 14 15)

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