C321332233313331311331322121111331333133313113123323223322312121   >>    C32133223331333131133132212111133133313331311312332322332231212   <<    C321332233313331311331322121111331333133313113123323223322312123   >>      C321332233313331311331322121111331333133313113123323223322312122   >>