1: (0 2 15)

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

2: (1 20 3)

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

3: (6 21 19)

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

4: (3 18 7)

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