C13131221323331323131323132323213231323131323223313233313222331   >>    C1313122132333132313132313232321323132313132322331323331322233   <<    C13131221323331323131323132323213231323131323223313233313222333   >>      C13131221323331323131323132323213231323131323223313233313222332   >>