1: (0 2 16)

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

2: (1 20 3)

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

3: (2 18 4)

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

4: (15 21 17)

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