H3313331313213231323131323132322331323223313331321123121212121221   >>    H331333131321323132313132313232233132322331333132112312121212122   <<    H3313331313213231323131323132322331323223313331321123121212121223   >>      H3313331313213231323131323132322331323223313331321123121212121222   >>