C1111133313331323223313331333133313112331323331323133313233113313331323132211   >>    C111113331333132322331333133313331311233132333132313331323311331333132313221   <<    C1111133313331323223313331333133313112331323331323133313233113313331323132213   >>      C1111133313331323223313331333133313112331323331323133313233113313331323132212   >>