C3123223313331322121111331333133313231333132212111112111111311312233231   >>    C312322331333132212111133133313331323133313221211111211111131131223323   <<    C3123223313331322121111331333133313231333132212111112111111311312233233   >>      C3123223313331322121111331333133313231333132212111112111111311312233232   >>