C3123223313331322121111331333133313231333133313331312111133121111   >>    C312322331333132212111133133313331323133313331333131211113312111   <<    C3123223313331322121111331333133313231333133313331312111133121113   >>      C3123223313331322121111331333133313231333133313331312111133121112   >>