C11112331312111112111133133313231333132313232233133313231323323222321   >>    C1111233131211111211113313331323133313231323223313331323132332322232   <<    C11112331312111112111133133313231333132313232233133313231323323222323   >>      C11112331312111112111133133313231333132313232233133313231323323222322   >>