C11122123231323131323131323132322331323331333132313331323311231   >>    C1112212323132313132313132313232233132333133313231333132331123   <<    C11122123231323131323131323132322331323331333132313331323311233   >>      C11122123231323131323131323132322331323331333132313331323311232   >>