C11111333133313232233133313331333133313221333133313233313233123113221   >>    C1111133313331323223313331333133313331322133313331323331323312311322   <<    C11111333133313232233133313331333133313221333133313233313233123113223   >>      C11111333133313232233133313331333133313221333133313233313233123113222   >>