index ‘æ1Í 1-1 1-2 1-3 1-4 1-5
‘æ2Í 2-1 2-2 2-3 2-3-1 2-3-2 2-3-3 2-4
‘æ3Í 3-1 3-2 3-3 3-3-1 3-3-2 3-3-3 3-4 3-4-1 3-4-2
‘æ4Í 4-1 4-2 4-3 4-3-1 4-3-2 4-4
‘æ5Í