1: (0 1 2)

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

2: (2 8 10)

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

3: (7 11 9)

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

4: (1 10 3)

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