C111123313121111121111331333131211113313231323331333131333132322111   >>    C11112331312111112111133133313121111331323132333133313133313232211   <<    C111123313121111121111331333131211113313231323331333131333132322113   >>      C111123313121111121111331333131211113313231323331333131333132322112   >>