C312322331333132212111133133313331333133312121111331322112111123331   >>    C31232233133313221211113313331333133313331212111133132211211112333   <<    C312322331333132212111133133313331333133312121111331322112111123333   >>      C312322331333132212111133133313331333133312121111331322112111123332   >>