C1111133313331323223313331333133313231333132313331333131133212231   >>    C111113331333132322331333133313331323133313231333133313113321223   <<    C1111133313331323223313331333133313231333132313331333131133212233   >>      C1111133313331323223313331333133313231333132313331333131133212232   >>