1: (0 2 11)

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

2: (1 20 3)

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

3: (2 14 4)

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

4: (9 18 12)

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