C3123223313331322121111331333133313231333132212111112111113222311111   >>    C312322331333132212111133133313331323133313221211111211111322231111   <<    C3123223313331322121111331333133313231333132212111112111113222311113   >>      C3123223313331322121111331333133313231333132212111112111113222311112   >>