C111113331333132322331333133313331311331323133313221211111133221211   >>    C11111333133313232233133313331333131133132313331322121111113322121   <<    C111113331333132322331333133313331311331323133313221211111133221213   >>      C111113331333132322331333133313331311331323133313221211111133221212   >>