Y x2 1 x

Y x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 x
Y x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 x
Y x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 xY x2 1 x