C111123313121111121111331333132313331323133313331323223313331323211   >>    C11112331312111112111133133313231333132313331333132322331333132321   <<    C111123313121111121111331333132313331323133313331323223313331323213   >>      C111123313121111121111331333132313331323133313331323223313331323212   >>