1: (0 5 11)

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

2: (2 19 10)

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

3: (1 20 3)

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

4: (9 11 12)

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