dragon = [
    [],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, true     , undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, true     , true     , undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, true     , true     , true     , true     , true     , undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, true     , undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
    [undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined],
]