C1111133313331323223313331333133313231333132332131333133313132313331323123221   >>    C111113331333132322331333133313331323133313233213133313331313231333132312322   <<    C1111133313331323223313331333133313231333132332131333133313132313331323123223   >>      C1111133313331323223313331333133313231333132332131333133313132313331323123222   >>