C312322331333132212111133133313331333133312121111331333131323221121211   >>    C31232233133313221211113313331333133313331212111133133313132322112121   <<    C312322331333132212111133133313331333133312121111331333131323221121213   >>      C312322331333132212111133133313331333133312121111331333131323221121212   >>