C321332233313331311331322121111331333133313112123231212212233221   >>    C32133223331333131133132212111133133313331311212323121221223322   <<    C321332233313331311331322121111331333133313112123231212212233223   >>      C321332233313331311331322121111331333133313112123231212212233222   >>