C11111333133313232233133313331333133313331322133313331333332221   >>    C1111133313331323223313331333133313331333132213331333133333222   <<    C11111333133313232233133313331333133313331322133313331333332223   >>      C11111333133313232233133313331333133313331322133313331333332222   >>