1: (0 2 15)

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

2: (1 20 3)

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

3: (5 21 17)

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

4: (2 19 4)

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