C1111133313331323223313331333133313331323133313331311331333132313221211   >>    C111113331333132322331333133313331333132313331333131133133313231322121   <<    C1111133313331323223313331333133313331323133313331311331333132313221213   >>      C1111133313331323223313331333133313331323133313331311331333132313221212   >>