  ʯ
{
{//
{21,1,-1}
{2,1,0}
{3}
{2,3,19,2,3,19,2,3,19,2,3,19}
}

{//һ
{21,0,-1}
{0,0,2,1,2,3,2,3,0}
{4}
{2,3,19,2,3,19,38,3,-1,2,3,19,2,3,19,2,3,19,33,3,-1}
}

{//
{21,0,7}
{3,1,1}
{9}
{2,3,-1,2,3,-1,28,3,-1,2,3,-1,2,3,-1,2,3,-1,27,3,-1}
}

{//
{21,0,8}
{0,1,2,3,4,1,1,5,3}
{3}
{2,3,-1,2,3,-1,2,3,-1,2,3,-1,7,3,-1,2,3,-1,6,3,-1,2,3,-1,5,3,-1}
}

{//
{21,1,5,0}
{1,3,3}
{11}
{82,3,24,2,3,24,75,3,28}
}

{//
{21,0,6}
{3,3,1,2,6,0}
{5}
{6,3,-1,82,3,-1,2,3,-1,81,3,-1,18,3,22,2,3,-1,2,3,-1,2,3,-1,17,3,22}
}

{//
{21,0,1}
{0,5,2}
{3}
{81,3,-1,82,3,-1,83,3,-1,2,3,-1,2,3,-1,2,3,-1,2,3,-1,6,3,-1,7,3,-1,2,3,-1,71,3,29}
}
}