C1111133313331323223313331333133313231333132332131333133313121111122131   >>    C111113331333132322331333133313331323133313233213133313331312111112213   <<    C1111133313331323223313331333133313231333132332131333133313121111122133   >>      C1111133313331323223313331333133313231333132332131333133313121111122132   >>