1. 0. 1.
 4
    1    1    2    5    4
    2    2    3    6    5
    3    4    5    8    7
    4    5    6    9    8
 9
 1 0. 0.
 2 1. 0.
 3 2. 0.
 4 0. 1.
 5 1. 1.
 6 2. 1.
 7 0. 2.
 8 1. 2.
 9 2. 2.
 7
 1 1 0.
 7 1 0.
 2 1 0.
 8 1 0.7071067811865475
 3 1 0.
 9 1 1.
 4 1 0.