C1111133313331323223313331333133313231333132332131333132233132313331313311211   >>    C111113331333132322331333133313331323133313233213133313223313231333131331121   <<    C1111133313331323223313331333133313231333132332131333132233132313331313311213   >>      C1111133313331323223313331333133313231333132332131333132233132313331313311212   >>