C11112331312111112111133133313231333132313232233131333132332313231   >>    C1111233131211111211113313331323133313231323223313133313233231323   <<    C11112331312111112111133133313231333132313232233131333132332313233   >>      C11112331312111112111133133313231333132313232233131333132332313232   >>