mma', next: 'Delta', color: 'goldenrod' },
      { key: 'Delta', next: 'Epsilon', color: 'orange' },
      { key: 'Epsilon', next: 'Zeta', color: 'coral' },
      { key: 'Zeta', next: 'Eta', color: 'tomato' },
      { key: 'Eta', next: 'Theta', color: 'goldenrod' },
      { key: 'Theta', next: 'Iota', color: 'orange' },
      { key: 'Iota', next: 'Kappa', color: 'coral' },
      { key: 'Kappa', next: 'Lambda', color: 'tomato' },
      { key: 'Lambda', next: 'Mu', color: 'goldenrod' },
      { key: 'Mu', nex