1: (0 1 2)

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

2: (2 8 19)

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

3: (5 20 18)

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

4: (1 19 3)

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