 0           1 1            / 1  ===                  ===  1   ===    ===   ===     ===   ''                          ''''' ==  '''''   '''''   == ''' ''=::     ''   ''      ::=''   ==::  ===''   ''===   ::==      66  =66''   ''66=   66        66'''''''   ''''''' 66          '@@::::   ::::@@'       :=    '@             @'     =:::=   ':             :'    =::      ':  A       D  :'             ':             :'         66 '':    N I V    :'' 66     == '6:      d      :6' ==     ==        I ^ I        ==     66 '6:             :6' 66   '    '':    W I O    :''     ''   ::':             :'::    ''   ::':  C       B  :'::    ''   ::':             :'::    ''   ::'@             @'::    '''  ::'@@6:6:6:6:6:6@@'::   ''''  ::@'''''''''''''''@::   ''='     :::::::::::::::      '=66  == 666         666 ==   66=   66I666'   6   '666I66    =         ''''6@6''''           66     ''''66666''''      66  ==    '''         '''     == '==   =''           ''=    =='''=   ==             ==    =''''''                     ''''''''''''''22222222222''''''''''