C3123223313331322121111331333133313231333133313331333133313331323233231111   >>    C312322331333132212111133133313331323133313331333133313331333132323323111   <<    C3123223313331322121111331333133313231333133313331333133313331323233231113   >>      C3123223313331322121111331333133313231333133313331333133313331323233231112   >>