1: (0 3 12)

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

2: (1 20 9)

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

3: (8 18 10)

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

4: (9 15 11)

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