C111113331333132322331333133313331311331313311211111333132213231333131121   >>    C11111333133313232233133313331333131133131331121111133313221323133313112   <<    C111113331333132322331333133313331311331313311211111333132213231333131123   >>      C111113331333132322331333133313331311331313311211111333132213231333131122   >>