C11111333133313232233133313331333133313331313331333133313121331   >>    C1111133313331323223313331333133313331333131333133313331312133   <<    C11111333133313232233133313331333133313331313331333133313121333   >>      C11111333133313232233133313331333133313331313331333133313121332   >>