{{
{-1},
{20},
{-1,20,-1,20,-1,20,-1,20,-1,20,20,-1},
{4,20},
{20,4,20,4,20,4,20,4,20},
{20,20,4,20,4,20,4,20},
{4},
{20,4,20,4,20,4,20,4},
{20},
{20,4,20,4,20,4,20,4,4,20,4,20,4},
{20,4,20,4,20,4,20,4},
{20}
}}