H3313331313213231323131323132322331323223313311213231133132333231   >>    H331333131321323132313132313232233132322331331121323113313233323   <<    H3313331313213231323131323132322331323223313311213231133132333233   >>      H3313331313213231323131323132322331323223313311213231133132333232   >>