C3213322333133313113313221211113313331333133313121121123231232211331   >>    C321332233313331311331322121111331333133313331312112112323123221133   <<    C3213322333133313113313221211113313331333133313121121123231232211333   >>      C3213322333133313113313221211113313331333133313121121123231232211332   >>