C31232233133313221211113313331311331333133313113313331333133313331333211232321   >>    C3123223313331322121111331333131133133313331311331333133313331333133321123232   <<    C31232233133313221211113313331311331333133313113313331333133313331333211232323   >>      C31232233133313221211113313331311331333133313113313331333133313331333211232322   >>