C111113331333132322331333133313331311331323133313221211111311133313111   >>    C11111333133313232233133313331333131133132313331322121111131113331311   <<    C111113331333132322331333133313331311331323133313221211111311133313113   >>      C111113331333132322331333133313331311331323133313221211111311133313112   >>