C3123223313331322121111331333133313231333132212111112111111311312331111   >>    C312322331333132212111133133313331323133313221211111211111131131233111   <<    C3123223313331322121111331333133313231333132212111112111111311312331113   >>      C3123223313331322121111331333133313231333132212111112111111311312331112   >>