C3123223313331322121111331333133313231333132212111133223331312321   >>    C312322331333132212111133133313331323133313221211113322333131232   <<    C3123223313331322121111331333133313231333132212111133223331312323   >>      C3123223313331322121111331333133313231333132212111133223331312322   >>