1: (0 2 16)

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

2: (1 20 3)

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

3: (14 21 18)

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

4: (2 19 4)

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