C1111133313331323223313331333133313231333132332131333131211113313221333132311   >>    C111113331333132322331333133313331323133313233213133313121111331322133313231   <<    C1111133313331323223313331333133313231333132332131333131211113313221333132313   >>      C1111133313331323223313331333133313231333132332131333131211113313221333132312   >>